Home / 88,334.88-121,901.28-50,101.44

Finding the Fourth Proportional to 88,334.88, 121,901.28 and 50,101.44

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Solution

The fourth proportional to 88,334.88, 121,901.28 and 50,101.44 is: 69,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,334.88 : 121,901.28 = 50,101.44 : x
  2. Step 2: Convert to fraction form
    88,334.88/121,901.28 = 50,101.44/x
  3. Step 3: Cross multiply
    88,334.88x = 121,901.28 × 50,101.44
  4. Step 4: Simplify right side
    88,334.88x = 6,107,429,665.84
  5. Step 5: Solve for x
    x = 6,107,429,665.84/88,334.88
  6. Step 6: Final answer
    x = 69,139.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.